> never seen a burnt out newer ICU. Now, I've tried replacing that BD438 > transistor and have had no luck. Maybe there are other components on the board burned > out on the ones I tried, don't know, so I gave up experimenting. Looks like > the ball is in your court. There is also a "snubber" diode across the output of that transistor, so that could go bad as well. I have not yet traced the circuit back to see what other components could go bad, but I'll get to it eventually. Jon |
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